ArticleCellular and molecular neurobiology2010
Increase of c-Fos and c-Jun expression in spinal and cranial motoneurons of the degenerating muscle mouse (Scn8a(dmu)).
Article in Cellular and molecular neurobiology, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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3 citing papers in PubMed, 5 citations in OpenAlex.
- Erythropoietin Attenuates the Apoptosis of Adult Neurons After Brachial Plexus Root Avulsion by Downregulating JNK Phosphorylation and c-Jun Expression and Inhibiting c-PARP Cleavage.Journal of molecular neuroscience : MN · 2015Article
- Glial reaction in the spinal cord of the degenerating muscle mouse (Scn8a (dmu)).Neurochemical research · 2015Article
- Increase of CGRP expression in motor endplates within fore and hind limb muscles of the degenerating muscle mouse (Scn8a(dmu)).Cellular and molecular neurobiology · 2011Article
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Authors and funding
8 authors at 2 institutions in 2 countries.
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No grant is acknowledged in the PubMed record.
Abstract
The degenerating muscle (dmu) mouse harbors a loss-of-function mutation in the Scn8a gene, which encodes the alpha subunit of the voltage-gated sodium channel (VGSC) Na(V)1.6. The distribution of c-Fos and c-Jun was examined in spinal and cranial motoneurons of the dmu mouse. In the cervical spinal cord, trigeminal motor nucleus (Vm), facial nucleus (VII), dorsal motor nucleus of the vagus (X), and hypoglossal nucleus (XII) of wild-type mice, motoneurons expressed c-Fos and c-Jun-immunoreactivity. The immunoreactivity in wild-type mice was mostly weak and localized to the nucleus of these neurons whereas in the spinal cord and brain stem of dmu mice motoneurons showed intense c-Fos and c-Jun-immunoreactivity. The number of c-Fos-immunoreactive motoneurons was dramatically elevated in the cervical spinal cord (wild type, 4.8 +/- 1.0; dmu, 17.3 +/- 1.6), Vm (wild type, 76.2 +/- 21.6; dmu, 216.9 +/- 30.9), VII (wild type, 162.4 +/- 43.3; dmu, 533.3 +/- 41.2), and XII (wild type, 58.2 +/- 43.3; dmu, 150.9 +/- 25.7). The mutation also increased the number of c-Jun-immunoreactive motoneurons in the cervical spinal cord (wild type, 1.6 +/- 0.8; dmu, 12.1 +/- 2.1), Vm (wild type, 41.4 +/- 18.0; dmu, 123.1 +/- 11.7), and X (wild type, 39.1 +/- 10.7; dmu, 92.8 +/- 17.8). The increase of these transcription factors may be associated with the uncoordinated and excessive movement of forelimbs and degeneration of cardiac muscles in dmu mice.
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